*{
	margin: 0;
	padding: 0;
}
.nav{
	width: 100%;
	height: 70px;
	background-color: ;
	line-height: 70px;
}
.nav .menu{
	width: 500px;
	height: 70px;
	/* background-color:mediumaquamarine; */
	margin: 0 auto;
}
.nav ul{
	
	list-style-type: none;
}
.nav li {
	float: left;
	text-align: center;
}
a{
	display: block;
	width: 100px;
	text-decoration: none;
	/* color: white; */
	font-size: 23px;
}
a:hover{
	color: #d0d0d0;
}
.line{
	position: absolute;
	left: 0;
	height: 5px;
	width: 100px;
	background-color: #ffaaff;
	border-radius: 30px;
	transition: all 0s; 
}